staging: unisys: remove global dev_t
staging: unisys: remove global dev_t

the global variable majordev is no longer required, as it is not being
used anywhere.

Signed-off-by: Sudip Mukherjee <8ebcb270388efeefbc3b674e2d51f150dd6e6b25@vectorindia.org>
Reviewed-by: Dan Carpenter <ff341aa343d564f9e53e9dcb6996be8c04859a66@oracle.com>
Signed-off-by: Benjamin Romer <aa4f04c7a9e9354d8d7625bad3543e518d310003@unisys.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs